Trial Outcomes & Findings for Study of the CAT RX Aspiration Catheter When Used in Patients With Large Occlusive Thrombus in Coronary Arteries (NCT NCT03957473)

NCT ID: NCT03957473

Last Updated: 2023-10-10

Results Overview

Cardiovascular death, recurrent myocardial infarction, cardiogenic shock, or new or worsening New York Heart Association Class IV heart failure

Recruitment status

COMPLETED

Target enrollment

400 participants

Primary outcome timeframe

30 days

Results posted on

2023-10-10

Participant Flow

Participant milestones

Participant milestones
Measure
Single Arm
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Overall Study
STARTED
400
Overall Study
COMPLETED
370
Overall Study
NOT COMPLETED
30

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Study of the CAT RX Aspiration Catheter When Used in Patients With Large Occlusive Thrombus in Coronary Arteries

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
255 Participants
n=99 Participants
Age, Categorical
>=65 years
145 Participants
n=99 Participants
Age, Continuous
60.4 years
STANDARD_DEVIATION 12.21 • n=99 Participants
Sex: Female, Male
Female
95 Participants
n=99 Participants
Sex: Female, Male
Male
305 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
14 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
378 Participants
n=99 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
8 Participants
n=99 Participants
Race (NIH/OMB)
American Indian or Alaska Native
2 Participants
n=99 Participants
Race (NIH/OMB)
Asian
12 Participants
n=99 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
3 Participants
n=99 Participants
Race (NIH/OMB)
Black or African American
31 Participants
n=99 Participants
Race (NIH/OMB)
White
341 Participants
n=99 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=99 Participants
Race (NIH/OMB)
Unknown or Not Reported
10 Participants
n=99 Participants
Region of Enrollment
United States
400 participants
n=99 Participants

PRIMARY outcome

Timeframe: 30 days

Cardiovascular death, recurrent myocardial infarction, cardiogenic shock, or new or worsening New York Heart Association Class IV heart failure

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Composite of:
14 Participants

SECONDARY outcome

Timeframe: Procedure

TIMI flow grading range 0-3, with higher grading representing better outcome

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Final TIMI Flow Grade
TIMI 0
0 Participants
Final TIMI Flow Grade
TIMI 1
0 Participants
Final TIMI Flow Grade
TIMI 2
10 Participants
Final TIMI Flow Grade
TIMI 3
390 Participants

SECONDARY outcome

Timeframe: Procedure

TIMI Thrombus grading range 0-5, with lower grading representing better outcome

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Final TIMI Thrombus Grade
Grade 0
398 Participants
Final TIMI Thrombus Grade
Grade 1
1 Participants
Final TIMI Thrombus Grade
Grade 2
1 Participants
Final TIMI Thrombus Grade
Grade 3
0 Participants
Final TIMI Thrombus Grade
Grade 4
0 Participants
Final TIMI Thrombus Grade
Grade 5
0 Participants

SECONDARY outcome

Timeframe: Procedure

Myocardial blush grading range 0-3, with higher grading representing better outcome

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Myocardial Blush Grade
Grade 0
0 Participants
Myocardial Blush Grade
Grade 1
0 Participants
Myocardial Blush Grade
Grade 2
1 Participants
Myocardial Blush Grade
Grade 3
399 Participants

SECONDARY outcome

Timeframe: Procedure

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Distal Embolization Rate
3 Participants

SECONDARY outcome

Timeframe: 180 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Stent Thrombosis
9 Participants

SECONDARY outcome

Timeframe: 30 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Stroke
3 Participants

SECONDARY outcome

Timeframe: 30 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Major Bleeding
4 Participants

SECONDARY outcome

Timeframe: 180 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
All-Cause Mortality
9 Participants

SECONDARY outcome

Timeframe: 180 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Cardiovascular Death
4 Participants

SECONDARY outcome

Timeframe: 180 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Recurrent MI
10 Participants

SECONDARY outcome

Timeframe: 180 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Cardiogenic Shock
8 Participants

SECONDARY outcome

Timeframe: 180 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Class IV Heart Failure
4 Participants

SECONDARY outcome

Timeframe: 180 Days

Outcome measures

Outcome measures
Measure
Single Arm
n=400 Participants
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Incident of Device Related SAEs
0 Participants

Adverse Events

Single Arm

Serious events: 144 serious events
Other events: 30 other events
Deaths: 10 deaths

Serious adverse events

Serious adverse events
Measure
Single Arm
n=400 participants at risk
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Blood and lymphatic system disorders
Anaemia
0.50%
2/400 • Procedure through 180 days
Cardiac disorders
Acute myocardial infarction
2.0%
8/400 • Procedure through 180 days
Cardiac disorders
Angina pectoris
1.2%
5/400 • Procedure through 180 days
Cardiac disorders
Angina unstable
1.2%
5/400 • Procedure through 180 days
Cardiac disorders
Arteriospasm coronary
0.25%
1/400 • Procedure through 180 days
Cardiac disorders
Atrial fibrillation
1.5%
6/400 • Procedure through 180 days
Cardiac disorders
Bradycardia
1.0%
4/400 • Procedure through 180 days
Cardiac disorders
Cardiac arrest
1.8%
7/400 • Procedure through 180 days
Cardiac disorders
Cardiac failure chronic
1.0%
4/400 • Procedure through 180 days
Cardiac disorders
Cardiogenic shock
0.75%
3/400 • Procedure through 180 days
Cardiac disorders
Coronary artery disease
0.25%
1/400 • Procedure through 180 days
Cardiac disorders
Dressler's syndrome
0.25%
1/400 • Procedure through 180 days
Cardiac disorders
Ventricular arrhythmia
0.25%
1/400 • Procedure through 180 days
Cardiac disorders
Ventricular fibrillation
0.50%
2/400 • Procedure through 180 days
Cardiac disorders
Ventricular tachycardia
0.75%
3/400 • Procedure through 180 days
Gastrointestinal disorders
Gastrointestinal haemorrhage
0.25%
1/400 • Procedure through 180 days
Gastrointestinal disorders
Retroperitoneal haematoma
0.25%
1/400 • Procedure through 180 days
Gastrointestinal disorders
Vomiting
0.25%
1/400 • Procedure through 180 days
General disorders
Asthenia
0.25%
1/400 • Procedure through 180 days
General disorders
Chest pain
1.2%
5/400 • Procedure through 180 days
General disorders
Non-cardiac chest pain
0.25%
1/400 • Procedure through 180 days
General disorders
Vascular stent occlusion
0.25%
1/400 • Procedure through 180 days
General disorders
Vascular stent thrombosis
1.0%
4/400 • Procedure through 180 days
Infections and infestations
COVID-19
0.50%
2/400 • Procedure through 180 days
Infections and infestations
COVID-19 pneumonia
0.25%
1/400 • Procedure through 180 days
Infections and infestations
Osteomyelitis acute
0.25%
1/400 • Procedure through 180 days
Infections and infestations
Pneumonia
1.5%
6/400 • Procedure through 180 days
Infections and infestations
Pneumonia influenzal
0.25%
1/400 • Procedure through 180 days
Infections and infestations
Sepsis
0.50%
2/400 • Procedure through 180 days
Infections and infestations
Septic shock
0.25%
1/400 • Procedure through 180 days
Infections and infestations
Urinary tract infection
0.50%
2/400 • Procedure through 180 days
Injury, poisoning and procedural complications
Arterial bypass stenosis
0.25%
1/400 • Procedure through 180 days
Injury, poisoning and procedural complications
Procedural hypotension
0.75%
3/400 • Procedure through 180 days
Injury, poisoning and procedural complications
Procedural pneumothorax
0.25%
1/400 • Procedure through 180 days
Injury, poisoning and procedural complications
Vascular access site haemorrhage
0.50%
2/400 • Procedure through 180 days
Investigations
Blood creatinine increased
0.25%
1/400 • Procedure through 180 days
Investigations
Transaminases increased
0.25%
1/400 • Procedure through 180 days
Metabolism and nutrition disorders
Hypervolaemia
0.25%
1/400 • Procedure through 180 days
Metabolism and nutrition disorders
Hypomagnesaemia
0.25%
1/400 • Procedure through 180 days
Metabolism and nutrition disorders
Hypovolaemia
0.25%
1/400 • Procedure through 180 days
Metabolism and nutrition disorders
Type 2 diabetes mellitus
0.25%
1/400 • Procedure through 180 days
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Prostate cancer metastatic
0.25%
1/400 • Procedure through 180 days
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Squamous cell carcinoma
0.25%
1/400 • Procedure through 180 days
Nervous system disorders
Encephalopathy
0.25%
1/400 • Procedure through 180 days
Nervous system disorders
Ischaemic stroke
1.8%
7/400 • Procedure through 180 days
Nervous system disorders
Prescynope
0.25%
1/400 • Procedure through 180 days
Nervous system disorders
Syncope
0.25%
1/400 • Procedure through 180 days
Nervous system disorders
Transient ischaemic attack
0.25%
1/400 • Procedure through 180 days
Renal and urinary disorders
Acute kidney injury
1.5%
6/400 • Procedure through 180 days
Renal and urinary disorders
Calculus urinary
0.25%
1/400 • Procedure through 180 days
Renal and urinary disorders
Renal failure
0.50%
2/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Acute pulmonary eodema
0.25%
1/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Acute respiratory failure
1.2%
5/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Bronchospasm
0.25%
1/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Dyspnoea
0.25%
1/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Pneumonia aspiration
0.25%
1/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Pulmonary mass
0.25%
1/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Respiratory failure
0.25%
1/400 • Procedure through 180 days
Surgical and medical procedures
Coronary revascularisation
0.25%
1/400 • Procedure through 180 days
Vascular disorders
Accelerated hypertension
0.50%
2/400 • Procedure through 180 days
Vascular disorders
Deep vein thrombosis
0.25%
1/400 • Procedure through 180 days
Vascular disorders
Haemorrhage
1.0%
4/400 • Procedure through 180 days
Vascular disorders
Hypertension
0.25%
1/400 • Procedure through 180 days
Vascular disorders
Hypotension
0.75%
3/400 • Procedure through 180 days
Vascular disorders
Orthostatic hypotension
0.25%
1/400 • Procedure through 180 days
Cardiac disorders
Coronary artery dissection
0.25%
1/400 • Procedure through 180 days

Other adverse events

Other adverse events
Measure
Single Arm
n=400 participants at risk
Single Arm - Use of Indigo Aspiration System with CAT RX Aspiration Catheter (mechanical thrombectomy) in high thrombus burden acute coronary vessel occlusions Indigo Aspiration System: Indigo Aspiration System with CAT RX Aspiration Catheter and optional Indigo Separator 4
Cardiac disorders
Angina pectoris
0.50%
2/400 • Procedure through 180 days
Cardiac disorders
Arteriospasm coronary
0.50%
2/400 • Procedure through 180 days
Cardiac disorders
Atrial fibrillation
0.50%
2/400 • Procedure through 180 days
Cardiac disorders
Cardiac failure chronic
0.25%
1/400 • Procedure through 180 days
Cardiac disorders
Coronary artery disease
0.25%
1/400 • Procedure through 180 days
Gastrointestinal disorders
Gastrointestinal haemorrhage
0.50%
2/400 • Procedure through 180 days
General disorders
Chest pain
1.0%
4/400 • Procedure through 180 days
Infections and infestations
Post procedural cellulitis
0.25%
1/400 • Procedure through 180 days
Injury, poisoning and procedural complications
Incision site haemorrhage
0.25%
1/400 • Procedure through 180 days
Injury, poisoning and procedural complications
Vascular access site haemorrhage
0.50%
2/400 • Procedure through 180 days
Nervous system disorders
Dizziness
0.25%
1/400 • Procedure through 180 days
Nervous system disorders
Encephalopathy
0.25%
1/400 • Procedure through 180 days
Respiratory, thoracic and mediastinal disorders
Pulmonary oedema
0.25%
1/400 • Procedure through 180 days
Vascular disorders
Deep vein thrombosis
0.25%
1/400 • Procedure through 180 days
Vascular disorders
Haematoma
0.25%
1/400 • Procedure through 180 days
Vascular disorders
Haemodynamic instability
0.50%
2/400 • Procedure through 180 days
Vascular disorders
Haemorrhage
0.25%
1/400 • Procedure through 180 days
Vascular disorders
Hypotension
0.25%
1/400 • Procedure through 180 days

Additional Information

Study Manager

Penumbra, Inc.

Phone: +1 415-601-9561

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place